html,body{
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}
h1,
h2,
h3,
h4,
h5,
h6{
    margin: 0;
    padding: 0;
}
.flex{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
}
.flex-one{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}
.flex-two{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.flex-three{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}
.flex-column{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}